You've got me started on this one!
If a retailer signs up to be a merchant for Amex / Visa / Mastercard etc...Then they know the score when they get all their merchant stuff installed.
It really gets my goat that they then try palm off the charge to the customer. Happens all over the world, and in all industrys.
Thats better....
Hmmmm....need to go and lie down now.....
GV